Sv\u011bt technologi\u00ed se rychle vyv\u00edj\u00ed a nositeln\u00e1 za\u0159\u00edzen\u00ed se st\u00e1vaj\u00ed st\u00e1le popul\u00e1rn\u011bj\u0161\u00ed. Od chytr\u00fdch hodinek po fitness n\u00e1ramky, tato za\u0159\u00edzen\u00ed nab\u00edzej\u00ed \u0159adu funkc\u00ed a mo\u017enost\u00ed, kter\u00e9 n\u00e1m usnad\u0148uj\u00ed a zp\u0159\u00edjem\u0148uj\u00ed \u017eivot. Nicm\u00e9n\u011b jednou z nejv\u011bt\u0161\u00edch v\u00fdzev, kter\u00fdm nositeln\u00e1 elektronika \u010del\u00ed, je odolnost. Tradi\u010dn\u00ed baterie nejsou navr\u017eeny tak, aby vydr\u017eely ka\u017edodenn\u00ed opot\u0159eben\u00ed, co\u017e m\u016f\u017ee v\u00e9st k p\u0159ed\u010dasn\u00e9mu selh\u00e1n\u00ed.<\/p>\n\n
V\u00fdzkumn\u00edci pracuj\u00ed na v\u00fdvoji nov\u00fdch typ\u016f bateri\u00ed, kter\u00e9 jsou flexibiln\u011bj\u0161\u00ed a odoln\u011bj\u0161\u00ed a l\u00e9pe vyhovuj\u00ed po\u017eadavk\u016fm nositeln\u00fdch za\u0159\u00edzen\u00ed. Jedn\u00edm ze slibn\u00fdch p\u0159\u00edstup\u016f je pou\u017eit\u00ed rozta\u017eiteln\u00fdch materi\u00e1l\u016f v konstrukci bateri\u00ed. Rozta\u017eiteln\u00e9 baterie lze natahovat a oh\u00fdbat, ani\u017e by ztratily svou schopnost ukl\u00e1dat a dod\u00e1vat energii, co\u017e je \u010din\u00ed ide\u00e1ln\u00edmi pro pou\u017eit\u00ed v nositeln\u00fdch za\u0159\u00edzen\u00edch, kter\u00e1 jsou vystavena oh\u00fdb\u00e1n\u00ed, kroucen\u00ed a dal\u0161\u00edm typ\u016fm deformace.<\/p>\n\n
Ned\u00e1vn\u00fd pr\u016flom v technologii rozta\u017eiteln\u00fdch bateri\u00ed byl ozn\u00e1men v \u010dasopise Nature Communications. V\u00fdzkumn\u00edci z University of Illinois, Northwestern University a dal\u0161\u00edch instituc\u00ed vyvinuli tenkou, flexibiln\u00ed baterii, kterou lze nat\u00e1hnout a\u017e na 300 % jej\u00ed p\u016fvodn\u00ed velikosti a p\u0159esto st\u00e1le poskytuje energii. Baterie je vyrobena z rozta\u017eiteln\u00e9ho polymern\u00edho substr\u00e1tu poti\u0161t\u011bn\u00e9ho mal\u00fdmi lithium-iontov\u00fdmi bateriemi a spojen\u00e9ho dlouh\u00fdmi, S-tvarovan\u00fdmi vodi\u010di. Kdy\u017e se polymer nat\u00e1hne, vodi\u010de funguj\u00ed jako pru\u017einy, natahuj\u00ed se, aby pokryly v\u011bt\u0161\u00ed vzd\u00e1lenost, dokud nejsou zcela napnut\u00e9.<\/p>\n\n
Lithium-iontov\u00e9 baterie jsou dnes nejb\u011b\u017en\u011bj\u0161\u00edm typem bateri\u00ed pou\u017e\u00edvan\u00fdch v elektronice a oproti jin\u00fdm typ\u016fm bateri\u00ed nab\u00edzej\u00ed \u0159adu v\u00fdhod. Jsou lehk\u00e9, maj\u00ed vysokou hustotu energie a lze je opakovan\u011b dob\u00edjet. Tradi\u010dn\u00ed lithium-iontov\u00e9 baterie v\u0161ak nejsou p\u0159\u00edli\u0161 flexibiln\u00ed, co\u017e je \u010din\u00ed nevhodn\u00fdmi pro pou\u017eit\u00ed v rozta\u017eiteln\u00fdch za\u0159\u00edzen\u00edch.<\/p>\n\n
Rozta\u017eiteln\u00e1 baterie vyvinut\u00e1 v\u00fdzkumn\u00edky na University of Illinois a Northwestern University vyu\u017e\u00edv\u00e1 nov\u00fd design, kter\u00fd umo\u017e\u0148uje baterii natahovat se a oh\u00fdbat se, ani\u017e by do\u0161lo k po\u0161kozen\u00ed lithium-iontov\u00fdch \u010dl\u00e1nk\u016f. Baterie je vyrobena z tenk\u00e9ho, flexibiln\u00edho polymern\u00edho substr\u00e1tu poti\u0161t\u011bn\u00e9ho mal\u00fdmi lithium-iontov\u00fdmi bateriemi a spojen\u00e9ho dlouh\u00fdmi, S-tvarovan\u00fdmi vodi\u010di. Kdy\u017e se polymer nat\u00e1hne, vodi\u010de funguj\u00ed jako pru\u017einy, natahuj\u00ed se, aby pokryly v\u011bt\u0161\u00ed vzd\u00e1lenost, dokud nejsou zcela napnut\u00e9.<\/p>\n\n
Rozta\u017eiteln\u00fd polymern\u00ed substr\u00e1t pou\u017eit\u00fd v baterii je vyroben z materi\u00e1lu naz\u00fdvan\u00e9ho polyimid. Polyimid je vysoce v\u00fdkonn\u00fd polymer, kter\u00fd je zn\u00e1m\u00fd svou pevnost\u00ed, flexibilitou a odolnost\u00ed v\u016f\u010di teplu a chemik\u00e1li\u00edm. B\u011b\u017en\u011b se pou\u017e\u00edv\u00e1 v \u0159ad\u011b aplikac\u00ed, v\u010detn\u011b flexibiln\u00ed<\/p>","protected":false},"excerpt":{"rendered":"
Rozta\u017eiteln\u00e9 baterie: Budoucnost nositeln\u00e9 elektroniky Rozta\u017eiteln\u00e9 baterie pro nositeln\u00e1 za\u0159\u00edzen\u00ed Sv\u011bt technologi\u00ed se rychle vyv\u00edj\u00ed a nositeln\u00e1 za\u0159\u00edzen\u00ed se st\u00e1vaj\u00ed st\u00e1le popul\u00e1rn\u011bj\u0161\u00ed. Od chytr\u00fdch hodinek po fitness n\u00e1ramky, tato za\u0159\u00edzen\u00ed…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[999],"tags":[37,17223,24430,7828,99],"class_list":["post-18729","post","type-post","status-publish","format-standard","hentry","category-technology","tag-innovation","tag-wearable-tech","tag-stretchable-batteries","tag-battery-technology","tag-lifescienceart"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/18729","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=18729"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/18729\/revisions"}],"predecessor-version":[{"id":18730,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/18729\/revisions\/18730"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=18729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=18729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=18729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}